140257727 has 8 divisors (see below), whose sum is σ = 142758720. Its totient is φ = 137763360.

The previous prime is 140257699. The next prime is 140257739. The reversal of 140257727 is 727752041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140257727 - 2¹⁶ = 140192191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140257757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62273 + ... + 64485.

It is an arithmetic number, because the mean of its divisors is an integer number (17844840).

Almost surely, 2^140257727 is an apocalyptic number.

140257727 is a deficient number, since it is larger than the sum of its proper divisors (2500993).

140257727 is a wasteful number, since it uses less digits than its factorization.

140257727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 140257727 is about 11843.0455120294. The cubic root of 140257727 is about 519.5678448448.

The spelling of 140257727 in words is "one hundred forty million, two hundred fifty-seven thousand, seven hundred twenty-seven".